May 8, 2013

Blackened new windows and pop up menus in Linux

I was facing this strange problem of new windows and pop up menus blackening after my Fedora 17 system has run for couple of hours. To recover, I have to disable the KDE desktop effects. Once the desktop effects are turned off, things went to normal. However I was unable to turn on the desktop effects until I restart KDE using ctrl + alt + back space. I was thinking that it was a KDE issue, my searches did not yield any results.

Few days back I found that there was an error “intel(0): Failed to submit batch buffer, expect rendering corruption: Resource deadlock avoided” in the Xorg.0.log. Further searches indicated that the blackening is happening due to the bug in Intel video driver and the work around is to use SNA for 3D acceleration. Adding the following line in the “Device” section of /etc/X11/xorg.conf resolved the problem.

Option "AccelMethod" "sna

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